Headphones



FIG. 1 is a perspective view of headphones as seen from the front, top, and left side; “left” being from the observer's point of view, and “front” being towards the observer;

FIG. 2 is front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines immediately adjacent the surface shading represents the bounds of the claimed design while all other broken lines are directed to environment that are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for headphones, substantially as shown and described. 